1)Potato starch: a) Whiteness: 90% up b) Moisture: 18-20% c) Protein: 0.20% max. d) Fineness: 99% min. passing 100 mesh e) Ash: 0.4% max. 2) Wheat starch: a) Protein: 0.30/0.40/0.50% max. b) Acidity: 20/25/35ppm max. c) Ash: 0.2/0.30/0.35% max. d) Fineness: 96/97.5% min. passing 150 mesh Packing: 25kg/PE bag or according to customers\'\' requirements